Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5043100 | Process for manufacture of natural antioxidant products from tea and spent tea | Stephen S. Chang | 1991-08-27 |
| 5023100 | Fish oil | Stephen S. Chang, Timothy J. Pelura | 1991-06-11 |
| 4874629 | Purification of fish oil | Stephen S. Chang, Timothy J. Pelura | 1989-10-17 |